package com.heima.socket.udp.uniacst.talkroom;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

public class ReceiveDemo {
    public static void main(String[] args) throws IOException {
        /**
         * udp循环接收数据
         */

        DatagramSocket ds = new DatagramSocket(10086);


        while(true) {
            byte[] bytes = new byte[1024];
            DatagramPacket dp = new DatagramPacket(bytes, bytes.length);
            ds.receive(dp);

            byte[] data = dp.getData();
            int len = dp.getLength();
            InetAddress address = dp.getAddress();
            int port = dp.getPort();

            System.out.println("接收到数据: " + new String(data, 0, len));
            System.out.println("该数据是从" + address + "的" + port + "端口发出的");
        }
    }
}
